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JPL Small-Body Database Browser
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34946 (2286 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2034946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3057314961452711 4.4357e-08  
a 2.680091982684271 1.0331e-08 au
q 1.860703451011263 1.2181e-07 au
i 13.88933667510526 4.9021e-06 deg
node 173.6839272393823 1.4141e-05 deg
peri 220.3623750398241 1.525e-05 deg
M 200.7685137840085 6.6059e-06 deg
tp 2459709.341970452587
(2022-May-09.84197045)
3.1943e-05 TDB
period 1602.59202138442
4.39
9.2666e-06
2.537e-08
d
yr
n .224636086537489 1.2989e-09 deg/d
Q 3.49948051435728 1.349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1455  
   data-arc span      17931 days (49.09 yr)  
   first obs. used      1971-03-25  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:14  

Additional Information
 Earth MOID = .886769 au 
 Jupiter MOID = 2.02503 au 
 T_jup = 3.268 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO385036  
diameter diameter 5.028 km 0.412 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.255 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.176   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34946 (2286 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2286 T-1 = 1993 FJ80 = 1995 SG54 = 1999 NY58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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